Modifying allocation rules
MODIFY type_ALLOCATIONThe variable type refers to the level at which you want to modify the allocation rule.
Type parameter values
Parameter | Modifies |
|---|---|
GLOBAL | Global level allocation rule |
GROUP | All group level allocation rules that match the criteria specified by using the SELECT_GROUP keyword |
DBD | All DBD level allocation rules that match the criteria specified by using the SELECT_GROUP and SELECT_DBD keywords |
AREA | All area level allocation rules that match the criteria specified by using the SELECT_GROUP, SELECT_DBD and SELECT_AREA keywords |
ALLOCATION modifies all allocation rules (regardless of type) that match the selection criteria specified by using the SELECT_GROUP, SELECT_DBD and SELECT_AREA keywords.
The following table lists the keywords that can be used with the MODIFY subcommand to modify storage, class, statistics detail level, and retention parameters for an allocation rule.
Keyword | Function |
|---|---|
DATACLAS | Specify SMS data class |
DETAIL_LEVEL | Specify level of detail (UOW or area) to be written to the repository statistics data set |
DSNAME | Specify data set name mask |
EXPDT | Specify expiration date |
MGMTCLAS | Specify SMS management class |
RETPD | Specify retention period |
SELECT_AREA | Specify SMS storage class |
SELECT_DBD | Specify physical device |
SELECT_GROUP | Specify volume serial numbers |
STORCLAS | Specify SMS storage class |
UNIT | Specify physical storage device |
VOLSER | Specify volume serial numbers |
Sample JCL for modifying the unit, SMS data class, and volume serial number for selected allocation rules in a repository catalog is shown in the following figure:
//PFP EXEC PGM=PFPEPR00,REGION=0M
//STEPLIB DD DSN=PFP.LOAD,DISP=SHR
// DD DSN=IMSVS.RESLIB,DISP=SHR
//PFPSYSIN DD *
PROCESS_EPR REPOSITORY_DSNAME='PFP.PFPEPR'
MODIFY GROUP_ALLOCATION,SELECT_GROUP=IMSA,
SELECT_DBD=PFPDBDA,SELECT_AREA=PFPDBDA1,
UNIT=DISK,DATACLAS=CLASS1,VOLSER=SMS001
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